本文以秦汉至隋唐时期的舞蹈资料为基础探讨汉唐古典舞的动势来源，从画像砖中的舞蹈形态推测舞蹈的动势和身体走向，以及从古代有关的舞蹈文献资料中推断与还原当时的舞蹈场景。再对比汉唐古典舞中的造型与动势，找到它们的文化依据,与舞蹈的合理性。通过这些文化依据确定那个时代舞蹈动势的审美文化，使得汉唐古典舞的训练更合乎逻辑，剧目的动作编排上有着更为丰富的元素。再结合目前汉唐古典舞蹈的发展趋势，使之符合当代人的审美倾向，有着传承与推广的价值所在。

This paper discusses the potential sources of the Han and Tang classical dance move, and find it reasonable, is set in the Qin and Han to Sui dance information in finding the answer. Speculate dance from portrait brick dance form and momentum to the body, and imagination from the ancient dance and literature related to the reduction in the time of the dance scene. Then compare the Han and Tang Dynasties classical dance style and momentum, find their cultural basis. Determine that era through these cultural dance by garment momentum aesthetic culture, combined with the current development trend of dance, to conform to the aesthetic tendency of contemporary people, with the value of heritage and the promotion of lies.